Adaptations often give organisms a competetive edge.

a. True

b. False

Describe the process of genetic evolution through gene pools, genetic drift and mutations.

Which of the following pieces of evidence best supports the hypothesis that birds and crocodilians (crocodiles and alligators) are more closely related to each other than they are to other organisms?

Starling's law of the heart holds that: a) the greater the length of myocardial fibers, the greater the force with which they contract. b) lesser the length of myocardial fibers, the greater the force with which they contract.

Which of the following is NOT a main characteristic that scientists focus on when determining which kingdom an organism belongs to? cell type body type nutrition none of the above

How long does a leopard gecko stay with it's mom?

Three ways in which organisms use carbohydrates

A pyramid of energy shows the amount of energy available at each

A bacteriophage injects its DNA into and E. coli which gets intergrated into the bacterial chromosome forming a prophage. What kind of cycle the bacteriophage is undergoing? A lytic cycle B lysogenic cycle C bacterial cycle

Look at the illustration in Figure 25-4. Do you think that the bud on the side of the adult hydra is an embryo? Why? A) No, because budding is a type of asexual reproduction. B) No, because budding is a type of sexual reproduction.

what evidence is there to show that changing sand to glass is a chemical change